A randomized 25 question test from a pool of 761 questions, good luck!
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in visual indications of data?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of two output holding registers # 40002 & 40003 to the slave device
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in the guardianship HMI operating system?
The remote access server in a SCADA system provides WAN access. Which of the environments below would the remote access server reside?
CSMA/CD is used as an access method that uses constructive interference detection for any data collisions. Which of the OSI layers does this detection occur on?
There are several different network access methods available to wireless Ethernet. Which of the methods below is the one used by wireless Ethernet?
Which of the messaging methods is best described as one that can be initiated by the link master and the basic device in the H1 transmission system?
Multi-path interference is a ________ source of radio wave deterioration. Choose from the answers below to best fill in the blank
Using the table provided, which answer best represents the letter"H" in hexadecimal?
RS-232 to USB is the best example of which of the following converters?
Which of the components below best represents the letter "C"?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the firewall interacts with?
Using the table below, which answer best represents the letter"d" in binary?
IPv4 has several distinct classifications. Looking at the answers below, choose the one that contains all of the classifications.
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is used for schools, small localized businesses, and shopping malls?
There are many versions of Modbus, one of those is Modbus ASCII. Which of the answers below correctly orders the components of the Modbus ASCII frame?
A typical DCS has at least four layers in it's architecture. Fieldbus and DeviceNet are all under the direct control of which of the layers below?
In the unbalanced signal transmission system, which answer best represents the number 6?
There are several layers in the DCS architecture. Which of the levels below would have direct control over the systems FCEs?
There are several layers in the DCS architecture. Which of the levels below would have direct control over the accounting system?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that allows sequential communication on a network with multiple devices?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make the I/O of a DCS and it's associated controllers communicate?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a discreet output memory location?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would allow various workstations to receive data from servers and controllers?
There are several different network access methods available to wired Ethernet. Which of the methods below is the one used by wired Ethernet?